[Modeling of leucine transport during non-absorptive phase of digestion in rats]

L-leucine transport was simulated in the system of 4 compartments: portal--hepatic--arterial--muscular, and described by the system of lineal differential equations of the I order. Basing on certain constant values from the literature data and on the authors' own experimental findings on the dynamics of 14C-leucine specific radioactivity, the deficient constant values were obtained with reliable coordination of experimental and theoretical curves; some conclusions have been made on the value and direction of leucine transport in the non-absorptive phase of digestion in rats.